public class Test3_2 {
    public static void main (String args[]) {
        char c='\0';
        for(int i=1;i<=4;i++){
            switch (i){
                case 1:
                    c='J';
                    System.out.println(c);
                case 2:
                    c='e';
                    System.out.println(c);
                    break;
                case 3:
                    c='p';
                    System.out.println(c);
                default:
                    System.out.println("好");
            }
        }
    }
}
